Today's mentalfloss.com Brain Game Free-for-All Friday challenge may require some lateral thinking (or perhaps thinking in other geometric shapes as well). Good luck!

What is the next two-digit number in this sequence (and why)?

14, 15, 92, 65, 35, 89, ??

Here is the ANSWER.

ANSWER:

79.  The numbers represent the decimal parts of pi, grouped into two-digit numbers. Pi = 3.141592653589793238...

Thanks for playing! We'll be back Monday with a new Math Square!